12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
brainfuck
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
1,588th
CSS Colors
Cubes
Day of Week
Diamonds
Divisors
4,359th
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
2,682nd
Fizz Buzz
Foo Fizz Buzz Bar
2,102nd
Fractions
Gijswijt’s Sequence
Happy Numbers
Happy Numbers (Long)
Inventory Sequence
ISBN
Kolakoski Constant
Kolakoski Sequence
958th
Leap Years
3,157th
Levenshtein Distance
Leyland Numbers
ln 2
266th
Look and Say
Lucky Numbers
Morse Encoder
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
2,686th
Odious Numbers (Long)
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Prime Numbers
1,376th
Prime Numbers (Long)
1,085th
Quine
1st
Recamán
Repeating Decimals
Reverse Polish Notation
Rijndael S-box
241st
Roman to Arabic
Rule 110
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Time Distance
Tongue-twisters
United States
Vampire Numbers
Van Eck Sequence
Zodiac Signs
γ
255th
λ
π
555th3,101st2,431st2,294th1,914th2,047th2,532nd2,168th2,171st1,946th2,622nd2,988th3,182nd2,822nd2,461st2,331st2,901st2,666th3,133rd1,788th2,554th1,690th3,310th2,811th3,351st1,872nd1,549th449th3,334th
τ
519th
φ
646th
√2
𝑒
638th